Cops wouldn’t say where the suspect was cuffed but did verify it was not at the home, in a quiet upscale neighbourhood.

“We will have to interrogate that man,” said Lanthier.

“If he is related (to the homicide) he might be facing murder charges.”

More details on the crime were expected to be released Friday.

A neighbour tells the Sun three bodies were removed from the two-storey house and he knows the residents well.

“They’re good people. I can’t believe this happened to them,” said the man, who did not want to be named.

He said an elderly woman named Louise LeBoeuf lives at the home with her husband Claude Levesque, his daughter, Anne-Catherine Powers, and Powers’ boyfriend and one-year-old son.

Police have not confirmed any information regarding who lives at the home.

“We don’t want to mention any names, any sex,” said Lanthier, adding family is still being notified.

Another neighbour said he saw paramedics load wrapped bodies into an ambulance.

“I saw a couple of stretchers. I saw at least two being loaded,” said the man.

“It’s weird it happened on this street.”

The address is listed as a bed and breakfast, however, police hadn’t determined whether the business still exists.

On the front porch, a hanging basket with pink flowers remains, and a green Toyota Tercel is parked in the driveway.

Major crime detectives remained on the scene for most of the day and investigators were searching other backyards on the street, just off Lucerne Blvd. at Robert Stewart Rd.

A 911 call came in at 1:15 p.m., although cops aren’t saying who phoned it in.

Shocked neighbours stood in their driveways, watching police.

Around 2:30 p.m., cops cordoned off a second scene at the nearby Rivermead Golf Club — less than two kilometres from the house — isolating a burgundy minivan with the passenger door and the hatch open.

“Some tips and some details that we found in the investigation led us to the point of the vehicle that was found not far from the golf club,” said Lanthier.

The van was stuffed with assorted items, including two suitcases, a red gasoline can, a stuffed animal, and other children’s toys.

Both crime scenes are linked, said cops, who wouldn’t elaborate.

Multiple police cruisers surrounded the home and golf club.

“We are looking for every (piece of) evidence right now,” Lanthier said.